Energy distribution of H2 molecules recombining on interstellar grains

Details Energy distribution of H2 molecules recombining on interstellar grains Energy distribution of H2 molecules recombining on interstellar grains

Feb 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pazh....7...33l&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 7, Jan. 1981, p. 33-36.) Soviet Astronomy Letters, vol. 7, Jan.-Feb. 1981, p. 19-21. Tr

Astronomy and Astrophysics

Astronomy

1

Cosmic Dust, Hydrogen Clouds, Interstellar Matter, Molecular Clouds, Crystal Lattices, Crystal Surfaces, Energy Distribution, Molecular Interactions, Monte Carlo Method, Recombination Reactions

Scientific paper

Classical-mechanics trajectories are computed for atoms recombining to form H2 molecules on a crystal surface, with reference to processes in dense interstellar clouds. Monte Carlo simulation of the initial conditions for the collision of H atoms is used to determine how the binding energy released is distributed over the available degrees of freedom. The results fail to support the hypothesis that fresh, newly recombined molecules account for the observed abundance of H2 in high rotational states.

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